Home / 123,706,420.32-170,704,904.24-71,498,837.44

Finding the Fourth Proportional to 123,706,420.32, 170,704,904.24 and 71,498,837.44

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Solution

The fourth proportional to 123,706,420.32, 170,704,904.24 and 71,498,837.44 is: 98,662,641.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,706,420.32 : 170,704,904.24 = 71,498,837.44 : x
  2. Step 2: Convert to fraction form
    123,706,420.32/170,704,904.24 = 71,498,837.44/x
  3. Step 3: Cross multiply
    123,706,420.32x = 170,704,904.24 × 71,498,837.44
  4. Step 4: Simplify right side
    123,706,420.32x = 12,205,202,198,466,528
  5. Step 5: Solve for x
    x = 12,205,202,198,466,528/123,706,420.32
  6. Step 6: Final answer
    x = 98,662,641.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.